| Stepper Motor Controller…. (24 Pins)
|
 |
LS7290, LS7290-S, LS7290-TS
Last Update: 07/20/11 |
 |
Controls Bipolar and Unipolar Stepper Motors |
|
Full, 1/2 step modes selection |
|
Direct interface to L298 for BiPolar motors |
|
Enable, Step, Direction and Reset control inputs |
|
PWM chopper circuit for step and torque control |
|
Two peak current sense comparators with external reference input |
|
Programmable interstep blanking delay |
|
3 to 5.5 volt operation |
| |
| Stepper Motor Controller…. (20 Pins; 20 Pins)
|
| |
LS8297, LS8297-S, LS8297-TS NEW!
LS8297CT, LS8297CT-S, LS8297CT-TS
Last Update: 04/20/09 |
|
Low cost, low current, pin-compatible replacement for L297.
|
|
Torque Ripple Compensated half-steps – LS8297CT |
|
Controls two-phase Bipolar and four-phase Unipolar motors |
|
Interface to four AND Gates driving four N-Channel MOSFET's for Unipolar motors |
|
Normal/wave drive |
|
PWM chopper circuit for current control |
|
Two over current sense comparators with external references input |
|
All inputs and outputs TTL/CMOS compatible (TTL for 5V operation) |
|
Supply current < 400uA |
|
Supply voltage: 4.75 to 7V |
| |
| Stepper Motor Controller…. (24 Pins)
|
| |
LS8397, LS8397-S, LS8397-TS NEW!
Last Update: 04/21/09 |
|
Low cost, low current, pin-compatible replacement for L297.
|
|
L297 operating modes with added functions:
- Selectable Torque Ripple Compensation MODE
- Selectable Holding Torque MODE
|
|
Other features same as LS8297 |
| |
|
Return to Top |
